172956040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 401708160

約数和(自身を除く): 228752120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 163, 164, 205, 326, 328, 410, 647, 652, 815, 820, 1294, 1304, 1630, 1640, 2588, 3235, 3260, 5176, 6470, 6520, 6683, 12940, 13366, 25880, 26527, 26732, 33415, 53054, 53464, 66830, 105461, 106108, 132635, 133660, 210922, 212216, 265270, 267320, 421844, 527305, 530540, 843688, 1054610, 1061080, 2109220, 4218440, 4323901, 8647802, 17295604, 21619505, 34591208, 43239010, 86478020, 172956040]

約数ペア:

[(1, 172956040), (2, 86478020), (4, 43239010), (5, 34591208), (8, 21619505), (10, 17295604), (20, 8647802), (40, 4323901), (41, 4218440), (82, 2109220), (163, 1061080), (164, 1054610), (205, 843688), (326, 530540), (328, 527305), (410, 421844), (647, 267320), (652, 265270), (815, 212216), (820, 210922), (1294, 133660), (1304, 132635), (1630, 106108), (1640, 105461), (2588, 66830), (3235, 53464), (3260, 53054), (5176, 33415), (6470, 26732), (6520, 26527), (6683, 25880), (12940, 13366)]